20875130

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{7703}}^1$

素因数の和:7981

約数の個数: 16

約数和(自身を含む): 37718784

約数和(自身を除く): 16843654

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 7703, 15406, 38515, 77030, 2087513, 4175026, 10437565, 20875130]

約数ペア:

[(1, 20875130), (2, 10437565), (5, 4175026), (10, 2087513), (271, 77030), (542, 38515), (1355, 15406), (2710, 7703)]